[  517.914675] bond0: (slave eth0): making interface the new active one
[  517.914760] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.126113] bond0: (slave eth0): Releasing backup interface
[  522.197786] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.352442] bond0: (slave eth0): Releasing backup interface
[  526.384451] bond0 (unregistering): Released all slaves